Chain-pump



(No Model.) 4 2 Sheets8heet 1.

J. N. MORRISON.

CHAIN PUMP.

No. 336,817. Patented Feb. 23, 1886. I1 1 JJ 2.

7 @gffi Ja/nuu Q g 5 (No Model.) 7 I 2 Sh eetsSheet 2. J. N. MORRISON. I

GHAIN PUMP. No. 386,817. Patented Feb. 23, 1886.

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UNITED STATES PATENT OFFICE.

J AMES N. MORRISON, OF FORT SCOTT, KANSAS.

CHAIN- PUMP.

SPECIFICATION forming part of Letters Patent NO. 336,817, dated February 23, 1886.

Application filed November 25, 1885. Serial IIo. 183,966. (No model.) I

.T all whom it may concern.-

Be it known that 1, JAMES N.1\IORRISON, a citizen of the United States, residing at Fort Scott, in the county of Bourbon and State of Kansas, have invented certain new and useful Improvements in Chain-Pumps; and I do hereby declare the following to be a full,clear, and exact description of the invention, such as will enable others skilled in the art to which it appertains to make and use the same, reference being had to the accompanying drawings, and to letters or figures of reference marked thereon, which form a part of this specification.

This invention relates to the class of endless-chain bucket-pumps with rollers for the chain at the top and bottom of the well; and

it consists in the detailed construction and combination of the parts, hereinafter described and claimed, by which the raising of the water is facilitated, and by which the delivery of water from the buckets is delayed until after they have passed the center of the roller at the top of the well. 4

In the drawings, Figure 1 is a side view of a chain-pump constructed according to my invention. Fig. 2 is a front View of the same. Fig. 3 is a detail rear view of one of the buckets, showing how it is attached to the pumpchain.

A is the top roller provided with projections a, which engage the pump-chain. This roller is mounted on a spindle, to which a rotary movement may be given by means of a crank-handle or belt-pulley.

B are the pump-supports formed of hollow tubes for lightness, and provided with the frames 12 at the top, in which the top rollerspindle is journaled.

b is a frame for the bottom roller, 0, which runs loose upon the spindle b. The bottom roller, O, is a plain cylinder without flanges or projections, which cause additional friction on the buckets. Its use in connection with the supports B is to prevent the pump-chain and buckets from swinging when driven at a high speed.

D are the pump-buckets, each of which has its back portion, d, made considerably longer than the front portion, and is provided with a lip, d. The sides are sloped from the outer edge of the front plate to the edge of the lip 01, so that they and the lip d will hold the water which is raised in the bucket and delay its delivery until after the said bucket D has reached the top of the roller A. A plate, (P, is secured to the back of each bucket, so as to inclose oneof the links of the pump-chain and firmly secure the bucket to the link.

E is the pump-chain, consisting of a series of links provided with eyes 0 and cross-bars e, by which they are coupled together.

Having thus described my invention, what I claim as new, and desire to secure by Letters Patent, is-

In a chain-pump, the combination of the top roller provided with projections engaging with the pump-chain, and mounted on a revoluble spindle, pumpsupports B, formed of hollow tubes, the top frame, I), having the said top roller-spindlejournaled in it, the bottom frame, I), provided with the stationary spindle 11 a plain cylindrical bottom roller journaled on the said stationary spindle, the buckets D, each having its back portion considerably longer than the front, and provided with the lip d and sloping sides for delaying the delivery of the water, the plates (1 secured to the backs of the said buckets and inclosing a portion of the pump-chain, and the pumpchain E, consisting of a series of links provided with eyes 6 and cross-bars e for coupling them together, substantially as and for the purpose set forth.

In testimony whereof I affix my signaturein presence of two witnesses.

JAMES N. MORRISON.

\Vitncsses:

T. W. MORRISON, O. F. DRAKE. 

